v3.26.1
Note 8 - Fair Value Disclosures (Tables)
 6 Months Ended
Jun. 30, 2026
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
          

Significant

  

Significant

 
      

Quoted Prices in

  

Observable

  

Unobservable

 
      

Active Markets

  

Inputs

  

Inputs

 

Assets

 

Fair Value

  

(Level 1)

  

(Level 2)

  

(Level 3)

 

Investments-trading:

                

Corporate bonds and redeemable preferred stock

 $35,768  $-  $35,768  $- 

Derivatives

  4,802   -   4,802   - 

Equity securities

  17,468   17,409   59   - 

Municipal bonds

  949   -   949   - 

RMBS

  3   -   3   - 

SBA loans

  34,710   -   34,710   - 

U.S. government agency MBS and CMOs

  59,248   -   59,248   - 

U.S. government agency debt securities

  20,116   -   20,116   - 

Total investments - trading

 $173,064  $17,409  $155,655  $- 
                 

Other investments, at fair value:

                

CCM:

                

Avax One Technology Ltd.

 $390  $390  $-  $- 

Bakkt, Inc.

  976   976   -   - 

Critical Metals Corp.

  2,481   -   2,481   - 

Hadron Energy, Inc.

  265   265   -   - 

Namib Minerals

  1,082   -   1,082   - 

ProCap Financial, Inc.

  647   647   -   - 

Placement units/warrants, pre-M&A -

  56,990   -   56,990   - 

Other equity instruments

  331   327   4   - 

Subtotal CCM

  63,162   2,605   60,557   - 
                 

Non-CCM:

                

Payoneer Global, Inc.

  1,997   -   1,997   - 

ProCap Financial, Inc.

  3,314   3,314   -   - 

Other equity instruments

  1,007   497   510   - 

Subtotal

  6,318  $3,811  $2,507  $- 

Investments measured at NAV (1)

  10,725             

Subtotal Non-CCM

  17,043             
                 

Total Other Investments, at Fair Value

 $80,205             
                 
                 

Liabilities

                

Trading securities sold, not yet purchased:

                

Corporate bonds and redeemable preferred stock

 $2,536  $-  $2,536  $- 

Derivatives

  5,419   -   5,419   - 

Equity securities

  31   31   -   - 

U.S. government agency debt securities

  31   -   31   - 

U.S. Treasury securities

  40,915   40,915   -   - 

Total trading securities sold, not yet purchased

 $48,932  $40,946  $7,986  $- 
                 

Other investments, sold not yet purchased:

                

Equity derivatives

 $80  $-  $80  $- 

Total other investments sold, not yet purchased

 $80  $-  $80  $- 
          

Significant

  

Significant

 
      

Quoted Prices in

  

Observable

  

Unobservable

 
      

Active Markets

  

Inputs

  

Inputs

 

Assets

 

Fair Value

  

(Level 1)

  

(Level 2)

  

(Level 3)

 

Investments-trading:

                

Corporate bonds and redeemable preferred stock

 $18,449  $-  $18,449  $- 

Derivatives

  4,651   -   4,651   - 

Equity securities

  10,424   10,369   55   - 

Municipal bonds

  3,813   -   3,813   - 

RMBS

  3   -   3   - 

SBA loans

  43,090   -   43,090   - 

U.S. government agency MBS and CMOs

  42,471   -   42,471   - 

U.S. government agency debt securities

  17,675   -   17,675   - 

Total investments - trading

 $140,576  $10,369  $130,207  $- 
                 

Other investments, at fair value:

                

CCM:

                

Avax One Technology Ltd.

 $1,363  $1,363  $-  $- 

Critical Metals Corp.

  1,506   -   1,506   - 

Nakamoto Inc.

  1,802   1,802   -   - 

Namib Minerals

  2,779   -   2,779   - 

OceanPal Inc.

  2,930   2,930   -   - 

ProCap Financial, Inc.

  1,521   1,521   -   - 

USBC, Inc.

  2,482   2,482   -   - 

Placement units/warrants, pre-M&A -

  18,492   -   18,492   - 

Other equity instruments

  1,333   1,256   77   - 

Subtotal CCM

  34,208   11,354   22,854  - 
                 

Non-CCM:

                

ProCap Financial, Inc.

  7,595   7,595   -   - 

Other equity instruments

  2,969   882   2,087   - 

Subtotal

  10,564  $8,477  $2,087  $- 

Investments measured at NAV (1)

  12,486             

Subtotal Non-CCM

  23,050             
                 

Total Other Investments, at Fair Value

 $57,258             
                 
                 

Liabilities

                

Trading securities sold, not yet purchased:

                

Corporate bonds and redeemable preferred stock

 $8,107  $-  $8,107  $- 

Derivatives

  4,245   -   4,245   - 

Equity securities

  463   463   -   - 

U.S. Treasury securities

  23,802   23,802   -   - 

Total trading securities sold, not yet purchased

 $36,617  $24,265  $12,352  $- 
                 
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table Text Block]
  Fair Value June 30, 2026  

Unfunded Commitments

  

Redemption Frequency

  

Redemption Notice Period

 

Other investments, at fair value

                
                 

CK Capital Value Fund (a)

 $1,417   N/A   N/A   N/A 

CREO JV (b)

  7,684  $8,382   N/A   N/A 

U.S. Insurance JV (c)

  1,624   N/A   N/A   N/A 
  $10,725             
  

Fair Value December 31, 2025

  

Unfunded Commitments

  

Redemption Frequency

  

Redemption Notice Period

 

Other investments, at fair value

                

CK Capital Value Fund (a)

 $1,171   N/A   N/A   N/A 

CREO JV (b)

  8,940  $7,268   N/A   N/A 

U.S. Insurance JV (c)

 2,375  N/A  N/A  N/A 
  $12,486